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P0304 Diagnostic Trouble Code Discussion for May 2005

Cylinder 4 Misfire Detected

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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1996 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA28E0T
P0304: cyl 4 misfire. I have this mb customer complains intermittantly engine runs rough she then pulls over turns the car off restarts and runs smooth, we have not been able to duplicate the problem at this time. we have loaded the vehicle to no avail. i have read previose fixes a...
May 10, 2005
1999 Oldsmobile Alero GLS 3.4L Misfire VIN: 1G3NF52E6X
P0304: Cylinder 4 Misfire Detected. Has anyone else had a problem with injectors sticking on a 3.4 engine. We have replaced all the injectors at least once and some twice. Intermittantly an injector will stick and not pass any fuel. If you tap on the base of the injector it will function normall...
May 17, 2005
1998 Ford Windstar GL 3.8L Hesitation, Surge, Misfire VIN: 2FMDA5144W
P0304: Cyl 4 misfire. This one has me stumped, which usually means it is something simple that I am missing. Has a hesitation and miss just off idle, that goes away when the EGR is disconnected. Also surges when cruising at freeway speeds and sets a misfire on #4 cyl. I tried follo...
May 18, 2005
1998 Subaru Impreza L 2.2L Cuts out, Misfire VIN: JF1GF4358W
P0304: Cylinder 4 Misfire Detected. ... with CEL flashing. Found P0301 & P0302 in history. Drove 5 miles and light started flashing. Doesn't really feel like a misfire but vehicle is obviously seeing it. Seems to act up much more frequently over 2500 RPMs. I...
May 23, 2005